A creak, a thunderous roar, and then the plunge: Argentina’s Perito Moreno Glacier calves several times a day, as hundreds of ...

He was a world-class endurance athlete, and then Pugh decided he could use attention-grabbing swims to persuade governments to think differently about marine ecosystems.

But gathering data from the leading edge of a glacier — aka its calving front — isn’t easy. Massive chunks of ice the size of small buildings can break off and crash into the ocean without warning, ...

The highlight of the tour was watching glaciers calving. Calving is when large chunks of ice fall off or break off of the edge of a glacier. The captain and ranger both said this was extremely ...

known as calving, is a normal occurrence, said Victoria Pacheco, a tour guide in El Calafate, in Argentina’s Patagonia region, during a hike three days before the inaugural World Glacier Day on ...